Maintenance for the week of February 2:
• PC/Mac: No maintenance – February 2
• ESO Store and Account System for maintenance – February 3, 6:00AM EDT (11:00 UTC) - 4:00PM EDT (21:00 UTC)
I think Rich said during one of his streams that they're in the game but not visible, or at least are able to monitor what's going on in the game, and have an array of powerful abilities and tools at their disposal.